89711340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21059}}^1$

素因数の和:21142

約数の個数: 48

約数和(自身を含む): 254741760

約数和(自身を除く): 165030420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 21059, 42118, 63177, 84236, 105295, 126354, 210590, 252708, 315885, 421180, 631770, 1263540, 1495189, 2990378, 4485567, 5980756, 7475945, 8971134, 14951890, 17942268, 22427835, 29903780, 44855670, 89711340]

約数ペア:

[(1, 89711340), (2, 44855670), (3, 29903780), (4, 22427835), (5, 17942268), (6, 14951890), (10, 8971134), (12, 7475945), (15, 5980756), (20, 4485567), (30, 2990378), (60, 1495189), (71, 1263540), (142, 631770), (213, 421180), (284, 315885), (355, 252708), (426, 210590), (710, 126354), (852, 105295), (1065, 84236), (1420, 63177), (2130, 42118), (4260, 21059)]